import axios from 'axios'
import { ElMessage,ElMessageBox ,ElNotification  } from 'element-plus'
import useCounterStore from '@/stores/counter'
import { getToken } from './auth'
import errorCode from './errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
console.log(import.meta.env)
const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL:import.meta.env.VITE_APP_BASE_API+ ':8082',
    // 超时
    timeout: 9000000
})
// request拦截器
service.interceptors.request.use(config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    if (getToken() && !isToken) {
        config.headers['Authorization'] = 'Bearer ' + getToken()// 让每个请求携带自定义token 请根据实际情况自行修改
    }
    if(config.method === 'post'){
        config.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
        let url = config.url + '?';
        for (const propName of Object.keys(config.params)) {
            const value = config.params[propName];
            var part = encodeURIComponent(propName) + "=";
            if (value !== null && typeof(value) !== "undefined") {
                if (typeof value === 'object') {
                    for (const key of Object.keys(value)) {
                        let params = propName + '[' + key + ']';
                        var subPart = encodeURIComponent(params) + "=";
                        url += subPart + encodeURIComponent(value[key]) + "&";
                    }
                } else {
                    url += part + encodeURIComponent(value) + "&";
                }
            }
        }
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;
    }
    return config
}, error => {
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
        // 未设置状态码则默认成功状态
        const code = res.data.code || 200;
        // 获取错误信息
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        if (code === 401) {
            ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
                confirmButtonText: '重新登录',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                useCounterStore.dispatch('LogOut').then(() => {
                    location.href = '/index';
                })
            }).catch(() => {});
        } else if (code === 500) {
            ElMessage({
                message: msg,
                type: 'error'
            })
            // return Promise.reject(new Error(msg))
        } else if (code !== 200) {
            ElNotification({
                title: msg,
                type: 'error',
            })
            return Promise.reject('error')
        } else {
            return res.data
        }
    },
    error => {
        let { message } = error;
        if (message == "Network Error") {
            message = "后端接口连接异常";
        } else if (message.includes("timeout")) {
            message = "系统接口请求超时";
        } else if (message.includes("Request failed with status code")) {
            message = "系统接口" + message.substr(message.length - 3) + "异常";
        }
        ElMessage({
            message: message,
            type: 'error',
            duration: 5 * 1000
        })
        return Promise.reject(error)
    }
)

export default service
